Nova Launcher is one such app that lets you get a near-stock look. But it also has a feature set that could shame the most robust stock launchers. As the name suggests, Nova Launcher is a third ...

In case you need to select a folder after clicking "Play" in the launcher, select your "Half-Life Alyx" folder (it's located where Steam installed the game and it has the folders game and content ...

For more details see the Recaf user-guide page on using the launcher as a GUI or CLI.